Base | Representation |
---|---|
bin | 1110110100001… |
… | …01111001100001 |
3 | 22122212002200102 |
4 | 13122011321201 |
5 | 223303433132 |
6 | 20155432145 |
7 | 3036236402 |
oct | 732057141 |
9 | 278762612 |
10 | 124280417 |
11 | 64175798 |
12 | 35755655 |
13 | 1c995311 |
14 | 127119a9 |
15 | ad9dc62 |
hex | 7685e61 |
124280417 has 2 divisors, whose sum is σ = 124280418. Its totient is φ = 124280416.
The previous prime is 124280381. The next prime is 124280419. The reversal of 124280417 is 714082421.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 86285521 + 37994896 = 9289^2 + 6164^2 .
It is a cyclic number.
It is not a de Polignac number, because 124280417 - 28 = 124280161 is a prime.
Together with 124280419, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 124280417.
It is not a weakly prime, because it can be changed into another prime (124280419) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62140208 + 62140209.
It is an arithmetic number, because the mean of its divisors is an integer number (62140209).
Almost surely, 2124280417 is an apocalyptic number.
It is an amenable number.
124280417 is a deficient number, since it is larger than the sum of its proper divisors (1).
124280417 is an equidigital number, since it uses as much as digits as its factorization.
124280417 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3584, while the sum is 29.
The square root of 124280417 is about 11148.1127102304. The cubic root of 124280417 is about 499.0387090237.
The spelling of 124280417 in words is "one hundred twenty-four million, two hundred eighty thousand, four hundred seventeen".
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